Table 4 Time of first drink and drinking outcomes: total number of drinks, duration of drinking session, number of drinks per hour, and BAC

Average

6.9

(6.4–7.5)

2.6

(2.1–3.1)

6.0

(3.8–8.3)

0.119

(0.101–0.137)

08–12

2.2

9.7

(8.2–11.1)

2.2

(-0.4–4.9)

5.4

(-2.5–13.2)

0.263

(0.249–0.278)

12–16

9.6

7.0

(4.5–9.5)

2.1

(-0.1–4.4)

11.4

(1.9–20.9)

0.174

(0.104–0.244)

16–20

25.2

7.1

(6.1–8.1)

3.3

(2.3–4.4)

3.0

(2.2–3.9)

0.144

(0.103–0.185)

20–24

54.1

6.9

(6.1–7.7)

2.6

(2.0–3.3)

4.6

(3.6–5.6)

0.092

(0.075–0.110)

00–04

6.7

6.4

(3.7–9.2)

1.2

(0.5–1.8)

9.6

(0.3–18.8)

0.111

(-0.001–0.224)

04–08

2.2

4.7

(-4.7–14.1)

0.8

(-1.0–2.7)

43.7

(-120.8–208.1)

0.083

(-0.275–0.442)

F = 0.73P = 0.604

F = 1.33P=0.257

F = 7.86P < 0.001***

F = 3.9P = 0.003**